#A540B9
Closest named color: Purply (#983FB2). oklch(55.9% 0.198 320.6), rgb(165, 64, 185).
Aa
White text reads best on this color (5.20:1).
About this color
#A540B9 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.198 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.027 away. White text reads best on it, at 5.20:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #A540B9 |
| RGB | rgb(165, 64, 185) |
| HSL | hsl(290, 49%, 49%) |
| OKLCH | oklch(55.9% 0.198 320.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A540B9 | 5.20:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #A540B9 | 4.03:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #A540B9 text on white | 5.20:1 | AA | Lc 75.0 | Fine for body text |
| #A540B9 text on black | 4.03:1 | AA large text | Lc -26.7 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F5
oklch(93.7% 0.025 319.9)
-
Step 200
200
#E9CFEE
oklch(88.5% 0.05 320.8)
-
Step 300
300
#DBAEE4
oklch(80.9% 0.089 320.7)
-
Step 400
400
#C881D7
oklch(70.7% 0.143 320.5)
-
Step 500
500
#B95DCB
oklch(63% 0.182 320.9)
-
Step 600
600 (this color)
#A540B9
oklch(55.9% 0.198 320.6)
-
Step 700
700
#8D309F
oklch(49.2% 0.184 320.7)
-
Step 800
800
#722981
oklch(42.7% 0.153 320.4)
-
Step 900
900
#5D2767
oklch(37.7% 0.119 321.1)
-
Step 950
950
#36183C
oklch(26.9% 0.074 320.7)
#A540B9 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #1C66BD | 0.198 |
| Deuteranopia (no green cones) | #4C70B6 | 0.169 |
| Tritanopia (no blue cones) | #A65577 | 0.122 |
| Achromatopsia (no color) | #6D6D6D | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A540B9
#A540B9
oklch(55.9% 0.198 320.6)
- #228C00
#228C00
oklch(55.9% 0.183 140.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A540B9, closest first.
No curated palette has a color within ΔE 0.04 of #A540B9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.027
- Dark Orchid #9932CC ΔE 0.048
- Amethyst #9B5FC0 ΔE 0.062
- Purpley Pink #C83CB9 ΔE 0.067
- Medium Orchid #BA55D3 ΔE 0.067
- Deep Lavender #8D5EB7 ΔE 0.071
- Pinky Purple #C94CBE ΔE 0.076
- Warm Purple #952E8F ΔE 0.076
Use #A540B9 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.